HOW THE GLOBAL BANANA INDUSTRY IS KILLING THE WORLD’S FAVORITE FRUIT

During harvest last year, banana farmers in Jordan and Mozambique made a chilling discovery. Their plants were no longer bearing the soft, creamy fruits they’d been growing for decades.

Scientists first discovered the fungus that is turning banana plants into this rotting, fibrous mass in Southeast Asia in the 1990s. Since then the pathogen, known as the Tropical Race 4 strain of Panama disease, has slowly but steadily ravaged export crops throughout Asia. The fact that this vicious soil-borne fungus has now made the leap to Mozambique and Jordan is frightening. One reason is that it’s getting closer to Latin America, where at least 70% of the world’s $8.9-billion-a-year worth of exported bananas is grown.
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Randy Ploetz, professor of plant pathology at University of Florida who discovered Tropical Race 4, says it may already be in Latin America. “The story on the Mozambique situation was that workers brought over to establish the plantations—some of them were from Latin America,” he says. “And this is an insidious disease in that it can move… by soil-contaminated machinery, tools—that kind of thing.”

Chiquita, the $548-million fruit giant with the world’s largest banana market share, is downplaying the risk. ”It’s certainly not an immediate threat to banana production in Latin America [where Chiquita's crops are],” Ed Lloyd, spokesman for Chiquita, told the Charlotte Business Journal in late December, explaining that the company is using a “risk-mitigation program” to approach the potential spread.

Even if it takes longer to arrive, the broader ravaging of the commercial banana appears inevitable. And we don’t need to imagine what that would mean for banana exports—the exact scenario has already happened. Starting in 1903, Race 1, an earlier variant of today’s pathogen, ravaged the export plantations of Latin America and the Caribbean. Within 50 years, Race 1 drove the world’s only export banana species, the Gros Michel, to virtual extinction. That’s why 99% of the bananas eaten in the developed world today are a cultivar called the Cavendish, the only export-suitable banana that could take on Race 1 and live to tell.

Over the half-century it took to wipe out the Gros Michel, Race 1 caused at least $2.3 billion in damage (around $18.2 billion in today’s terms.) And that was in the commercial heart of global banana production. Tropical Race 4, by comparison, has damaged $400 million in banana crops in the Philippines alone.

But the bigger difference now is that, compared its 20th-century cousin, Tropical Race 4 is a pure killing machine—and not just for Cavendishes. Scores of other species that are immune to Race 1 have no defenses against the new pathogen. In fact, Tropical Race 4 is capable of killing at least 80%—though possibly as much as 85%—of the 145 million tonnes (160 million tons) of bananas and plantains produced each year, says Ploetz.

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